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TABLE
4.12
Device Defined
Event
Status
and
Enable
Registers
DIO
Line
Bit
Function
1
0
'1'
=
Indicates
change
of
standard
2
1
'V
=
Indicates
Channel
B
overload
3
2
Not
used
-
always
logic
0
4
3
'1'
=
Result
out
of
range
(see
NOTE
1)
5
4
'1'
=
Internal
counters overflow
(see
NOTE
2)
6
5
'1'
=
Local
Oscillator
out
of
lock (see
NOTE
3).
7
6
'1'
=
Check
mode
error
(see
NOTE
4)
8
7
Not
used
-
always
logic
0
N0TE1:
ER
02 generated.
NOTE
2:
ER
03 generated.
NOTE
3:
ER
04 generated (2151
only).
NOTE
4:
ER
50 generated.
2151
OPS
A1571/DA
4-21
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